4140155 has 8 divisors (see below), whose sum is σ = 4979184. Its totient is φ = 3304800.

The previous prime is 4140133. The next prime is 4140173. The reversal of 4140155 is 5510414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4140155 - 2⁸ = 4139899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (622398).

Almost surely, 2^4140155 is an apocalyptic number.

4140155 is a deficient number, since it is larger than the sum of its proper divisors (839029).

4140155 is a wasteful number, since it uses less digits than its factorization.

4140155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4140155 is about 2034.7370837531. The cubic root of 4140155 is about 160.5728812420.

Adding to 4140155 its reverse (5510414), we get a palindrome (9650569).

The spelling of 4140155 in words is "four million, one hundred forty thousand, one hundred fifty-five".